1. Department of Pediatric Dentistry, Orthodontics and Public Health, Bauru School of Dentistry, University of São Paulo, Alameda Dr. Octávio Pinheiro Brisolla 9-75, P.O. Box 73, 17012-101 Bauru, SP, Brazil
2. Department of Pediatric Dentistry, Federal University of Alfenas, Rua Gabriel Monteiro 700, 37130000 Alfenas, MG, Brazil